ASN Lookup Tool
AS28939 ARM-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS28939
Organisation
ARM Ltd
Name
ARM-AS
Total IPv4 Addresses
3840
Total IPv4 Prefixes
15
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#17,283 out of 76,964
Registry
Ripe
Registered Country
GB flag GB
Registered Country Name
United Kingdom of Great Britain and Northern Ireland (the)
Registered Date
2003-04-14
Registration Last Change
2021-02-23
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
US flagLevel 3 Parent, LLC
JP flagInternet Initiative Japan Inc.
IN flagTata Communications Limited
HK flagTelstra International Limited
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Showing 5 of 15
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.